From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24614 invoked by alias); 25 Jul 2011 18:28:41 -0000 Received: (qmail 24605 invoked by uid 22791); 25 Jul 2011 18:28:41 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 25 Jul 2011 18:28:27 +0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/49833] [x32] PIC doesn't work X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Mon, 25 Jul 2011 18:28:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2011-07/txt/msg02191.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49833 --- Comment #11 from H.J. Lu 2011-07-25 18:28:22 UTC --- [hjl@gnu-6 gcc]$ cat /tmp/foo.c typedef unsigned int Elf32_Addr; extern void _start (void) __attribute__ ((visibility ("hidden"))); int dl_main ( Elf32_Addr *user_entry) { if (*user_entry == (Elf32_Addr) _start) return 0; else return 1; } [hjl@gnu-6 gcc]$ ./xgcc -B./ -S -O2 -fPIC /tmp/foo.c -mx32 -std=gnu99 -dp [hjl@gnu-6 gcc]$ cat foo.s .file "foo.c" .text .p2align 4,,15 .globl dl_main .type dl_main, @function dl_main: .LFB0: .cfi_startproc xorl %eax, %eax # 26 *movsi_xor [length = 2] cmpl $_start, (%rdi) # 27 *cmpsi_1/1 [length = 6] setne %al # 28 *setcc_qi_slp [length = 3] ret # 24 return_internal [length = 1] .cfi_endproc .LFE0: .size dl_main, .-dl_main .hidden _start .ident "GCC: (GNU) 4.7.0 20110725 (experimental)" .section .note.GNU-stack,"",@progbits [hjl@gnu-6 gcc]$